Number 16 for 16th Birthday or Anniversary Cake Topper Party Decoration Supplies, Sweet 16 Birthday, Silver, 4.5 Inches Tall These elegant cake topper numbers will add a sparkle to your sweet 16 birthday cake. Numbers are silver plated and covered in dazzling rhinestones. Numbers measure ~ 4 1/2 Prongs measure ~ 4 1/2 Numbers can be used as keepsake after your event.